Bolt torque setting help

doane2u · 03-06-2016, 11:15 PM

Cleaned up the wheels and painted the calipers. What is the wheel bolt torque setting? I couldn't find it in the manual and did a search on this forum but also couldn't find it, or missed it.

I have OEM stock wheels on my 2007 3.0i
225 45 R17

I'm thinking 96# ? They are the 17mm head bolts

Thanks,

StickMon · 03-06-2016, 11:21 PM

Pretty sure it's 88, but wait for some other bids before taking my word on it.
I always go 85 on all my cars. Never had a wheel fall off. Never warped a rotor.

Finnegan · 03-07-2016, 12:16 AM

Quote:

Originally Posted by StickMon

Pretty sure it's 88, but wait for some other bids before taking my word on it.
I always go 85 on all my cars. Never had a wheel fall off. Never warped a rotor.

^This. 85, as that hits center of the range.

http://www.zpost.com/forums/showthread.php?t=122759

inTgr8r · 03-07-2016, 02:54 AM

85 dry, no lube!

3002 tii · 03-07-2016, 06:40 AM

85-90 is fine but be sure to retorque after 100 miles or so

GuidoK · 03-07-2016, 07:33 AM

Quote:

Originally Posted by inTgr8r

85 dry, no lube!

BMW TIS states that you do use a thin coat of engine oil on both the threads and the taper when reinstalling the bolts.
ONLY if you use new bolts you dont use lube.
This is probably due to corrosion prevention and seizing of the bolts. (new bolts have an undamaged passified zinc coating that gets damaged once used).
Personally I always use a very thin coat of copper grease on the threads, applied with a brush. (I don't reapply it every time when I install the wheels)

The correct torque spec is 120Nm (+/-10Nm), so 88,5ftlb (+/-7) to be precise.
Obviously never use impact wrenches

doane2u · 03-07-2016, 10:05 AM

Thanks everyone for your quick input, really appreciate it. I always hand torque and I use a very light copper anti-seiz from a stick on the threads.

SaltyNC · 03-07-2016, 01:17 PM

Man, I learn something new every day here. Is that copper grease available at local auto parts stores, or is that something that probably needs to be ordered?

Salty

GuidoK · 03-07-2016, 03:22 PM

Yes you can buy copper grease at any autostore. Either in stick or tube or jar....

You can also buy ceramic grease which more or less funtions the same, but I prefer copper grease for the wheels (I think over time it sticks better and leaves a better thin film and has better anti galling properties, but I use both extensively).
Both are anti seize products.

doane2u · 03-07-2016, 05:39 PM

I've been using mine for 20 years on many cars I've owned and never had trouble with lug nuts seizing, etc. Mine is sort of a lip stick looking stick with a cap on it.

StickMon · 03-07-2016, 11:34 PM

Yea, I never heard of copper grease until I read about it in a few threads here.
Gonna get me some.
I've always used WD-40 on pretty much any nut and bolt, but then switched to Liquid Wrench Super Oil.

GuidoK · 03-08-2016, 06:52 AM

WD-40 does everything a little bit and none of those particulary good.

03-06-2016, 11:15 PM	#1
doane2u First Lieutenant 91 Rep 341 Posts Drives: 2012 135i M Sport E88 Join Date: Jan 2016 Location: Carmel, CA iTrader: (0)	Bolt torque setting help Cleaned up the wheels and painted the calipers. What is the wheel bolt torque setting? I couldn't find it in the manual and did a search on this forum but also couldn't find it, or missed it. I have OEM stock wheels on my 2007 3.0i 225 45 R17 I'm thinking 96# ? They are the 17mm head bolts Thanks, Last edited by doane2u; 03-06-2016 at 11:24 PM..
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03-06-2016, 11:21 PM	#2
StickMon My other car is on Mars 636 Rep 3,124 Posts Drives: 2006 MR Join Date: Feb 2011 Location: Lo-Cal iTrader: (1)	Pretty sure it's 88, but wait for some other bids before taking my word on it. I always go 85 on all my cars. Never had a wheel fall off. Never warped a rotor. __________________ Warning: May contain traces of nuts.
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03-07-2016, 02:54 AM	#4
inTgr8r Lieutenant General 2426 Rep 11,667 Posts Drives: M2 Comp Join Date: Mar 2006 Location: Toronto iTrader: (10)	85 dry, no lube! __________________ '21 M2C Hockenheim Silver '18 718 Cayman S Lava Orange (sold) '13 E92 M3 Santorini Blue (sold) '07 Z4 M Coupe Alpine White (sold)
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03-07-2016, 06:40 AM	#5
3002 tii Lieutenant General 2280 Rep 12,565 Posts Drives: Z4 M, X5, GX460 Join Date: Apr 2008 Location: CT iTrader: (99) Garage List F15 X5 xDrive35i [8.75] E86 Z4 M [10.00] F10 550i (Retired) [9.17] F25 X3 xDrive35i (R ... [9.43] E82 135is (Retired) [9.50] E85 Z4 M (Retired) [9.41] E90 328i xDrive (Re ... [9.25] E86 Z4 3.0si (Retired) [9.20]	85-90 is fine but be sure to retorque after 100 miles or so __________________ Follow for latest mods
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03-07-2016, 10:05 AM	#7
doane2u First Lieutenant 91 Rep 341 Posts Drives: 2012 135i M Sport E88 Join Date: Jan 2016 Location: Carmel, CA iTrader: (0)	Thanks everyone for your quick input, really appreciate it. I always hand torque and I use a very light copper anti-seiz from a stick on the threads.
	Appreciate 0 Quote

03-07-2016, 01:17 PM	#8
SaltyNC Captain 370 Rep 870 Posts Drives: 2006 BMW Z4M Roadster Join Date: Oct 2015 Location: NC iTrader: (2) Garage List 2006 BMW Z4M Roadst ... [0.00]	Man, I learn something new every day here. Is that copper grease available at local auto parts stores, or is that something that probably needs to be ordered? Salty __________________ 2006 BMW Z4M Interlagos Blue/Black Aux Port\|LED Interior\|LED Strip Trunk\|Underseat First Aid Box\|Stubby Antenna\|Intravee II\|BMW Oil Change Kit\|Top Down Side Panels\|Vibra Technics Engine Mounts\|Rogue Trans Mounts\|Engine Mount Bolts Upgrade\|RS Windblocker\|Euro Front Plate\|M5 Illum Shift Knob\|Supersprint Powerloop Exhaust\|Gruppe-M Intake\|RPI Scoop\|Black Grills\|19x8.5 ET35 F 19x9.5 ET22 R Sportline 8s PSS\| Besian Vanos\|CDV Delete
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03-07-2016, 03:22 PM	#9
GuidoK #buildnotbought 10625 Rep 4,848 Posts Drives: Z4 3.0i ESS TS2+ Join Date: Jul 2012 Location: Tinkering in the garage iTrader: (0)	Yes you can buy copper grease at any autostore. Either in stick or tube or jar.... You can also buy ceramic grease which more or less funtions the same, but I prefer copper grease for the wheels (I think over time it sticks better and leaves a better thin film and has better anti galling properties, but I use both extensively). Both are anti seize products.
	Appreciate 1 Quote

03-07-2016, 05:39 PM	#10
doane2u First Lieutenant 91 Rep 341 Posts Drives: 2012 135i M Sport E88 Join Date: Jan 2016 Location: Carmel, CA iTrader: (0)	I've been using mine for 20 years on many cars I've owned and never had trouble with lug nuts seizing, etc. Mine is sort of a lip stick looking stick with a cap on it.
	Appreciate 1 Quote

03-07-2016, 11:34 PM	#11
StickMon My other car is on Mars 636 Rep 3,124 Posts Drives: 2006 MR Join Date: Feb 2011 Location: Lo-Cal iTrader: (1)	Yea, I never heard of copper grease until I read about it in a few threads here. Gonna get me some. I've always used WD-40 on pretty much any nut and bolt, but then switched to Liquid Wrench Super Oil. __________________ Warning: May contain traces of nuts.
	Appreciate 0 Quote

03-08-2016, 06:52 AM	#12
GuidoK #buildnotbought 10625 Rep 4,848 Posts Drives: Z4 3.0i ESS TS2+ Join Date: Jul 2012 Location: Tinkering in the garage iTrader: (0)	WD-40 does everything a little bit and none of those particulary good. __________________ Z4 3.0i \| ESS TS2+ supercharger \| Quaife ATB LSD \| Brembo/BMW performance BBK front/rear \| Schrick FI cams \| Schmiedmann headers+cats \| Powerflex/strongflex PU bushings \| Vibra-technics engine mounts \| H&R anti rollbars \| KW V3 coilovers/KW camber plates \| Sachs race engineering clutch \| tons of custom sh#t
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